New genetic tests may reveal the secret to saving the critically endangered Siamese crocodile from extinction.

The Bramble Cay melomys, a tiny island rodent, was wiped out by sea-level rise, according to the government of Australia.

A new book asks, “Can we feed the world without destroying it?” The answers might surprise you.

The gigantic Ozark hellbender salamander is in trouble in the wild, but one zoo — and a hard-working team — is helping to boost its populations.

New books hitting shelves this month ask if we’re doomed (or at least how badly) while laying out critical solutions to the climate crisis.

Healthy parasites are one sign of a healthy ecosystem, but there’s a lot more to them than that.

2018 was the second-deadliest year on record for the threatened species — and humans are responsible.

Carcharhinus obsolerus (that’s Latin for “extinct”) swam in the waters of the western Pacific, but it hasn’t been seen in 80-plus years.

The book takes an...unusual approach, but it still contains a few worthwhile concepts.

New photographs reveal that the National Butterfly Center in Texas is also home to an amazing array of 200 bee species — some of which exist nowhere else in the United States.